- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 31/30 - Carbides
Patent holdings for IPC class C01B 31/30
Total number of patents in this class: 88
10-year publication summary
|
11
|
3
|
1
|
0
|
3
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Drexel University | 973 |
7 |
| PPG Industries Ohio, Inc. | 3439 |
4 |
| The United States of America as represented by the Secretary of the Navy | 2725 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10702 |
3 |
| Nisshin Engineering Inc. | 58 |
3 |
| Thermical IP Pty Ltd. | 2 |
2 |
| Toyo Tanso Co., Ltd. | 225 |
2 |
| Samsung Electronics Co., Ltd. | 139798 |
1 |
| BASF SE | 20501 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4040 |
1 |
| GM Global Technology Operations LLC | 14327 |
1 |
| Nissan Motor Co., Ltd. | 12373 |
1 |
| Lockheed Martin Corporation | 3305 |
1 |
| NGK Insulators, Ltd. | 4793 |
1 |
| Delta Electronics, Inc. | 2514 |
1 |
| Tsinghua University | 5721 |
1 |
| Dow Corning Corporation | 1015 |
1 |
| JPMorgan Chase Bank, National Association | 8426 |
1 |
| Korea Advanced Institute of Science and Technology | 4211 |
1 |
| Japan Science and Technology Agency | 1413 |
1 |
| Other owners | 51 |